The image below shows a color wheel by Nekia Torres, a fashion blogger. Here, the 'primary colors ' red, blue, and yellow are arranged in a triangle, with the ' secondary colors ' where the primary ...

The wheel-running rodent is frequently associated with animals inside psychology laboratories. But what would happen if you gave wild animals access to a wheel? A pair of researchers found out. While ...

Scientists and animal rights activists have long wondered if wheel running was a neurotic behavior exclusive to captive mice. But new research on mice in the wild shows that it's possible these ...